Potassium ferrocyanide is used for testing
Potassium ferrocyanide is used for testing
A. `Cu^(2+)` and `Zn^(2+)`
B. `Fe^(3+)` and `Ca^(2+)`
C. `Ag^(+)` and `Zn^(2+)`
D. `Th^(4+)` and `Cu^(2+)`
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Correct Answer - A,B,C,D
(A)`Cu_(2)[Fe(CN)_(6)],K_(2)Zn_(3)[Fe(CN)_(6)]_(2)`, (B)`Fe_(4)[Fe(CN)_(6)]_(3),K_(2)Ca[Fe(CN)_(6)]`
(C )`Ag_(4)[Fe(CN)_(6)],K_(2)Zn_(3)[Fe(CN)_(6)]`, (D)`Th[Fe(CN)_(6)],Cu_(2)[Fe(CN)_(6)]`
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